• With Bluetooth-compatible 5.3 technology, fast pairing and stable performance, you can enjoy wireless music listening
• No need to jam the earphones into the ear, so as to better protect the ear 
• Lightweight design for comfortable wearing, help to experience unparalleled comfort. It is very suitable for all-day listening to music
• Great for running, hiking, cycling, car driving, business occasion, etc, enjoy superb sound quality instantly
• Built-in 350mAh battery, providing long working time up to about 15h

Specification:

• 3.5mm audio port: built-in
• Battery capacity: 350mAh
• Bluetooth-compatible version: V5.3
• Charging interface: Type-C
• Effective distance: 10m
• Frequency response range: 20Hz-40KHz
• Impedance: 32Ω±15% AT DC
• Working hours: 15h
• Speaker: 40mm
• Transmission power: 5V 1A
• Certification: FCC